Breastfeeding is not recommended with dexamethasone. A shot of dexamethasone usually refers to an injection of dexamethasone sodium phosphate injection, which is an adrenocorticotropic hormone drug with anti-inflammatory and anti-rheumatic effects, and is mainly used for the treatment of allergic and autoimmune inflammatory diseases. Breastfeeding women should not continue breastfeeding if they are injected with Dexamethasone Sodium Phosphate Injection, because the product will be excreted through breast milk, and when consumed by infants, it will inhibit their growth and development. During the use of the drug, lactating women may be complicated by infections, or adverse reactions such as nausea, uneasiness, weight gain, etc. If serious discomfort occurs, immediate medical attention is required. This product should be contraindicated for those who are allergic to this product, in addition, those who have a history of allergy to adrenal hormone drugs should use this product with caution. Breastfeeding women are advised to actively cooperate with the doctor to treat the disease and avoid breastfeeding during the period of medication.